Callionima juliane is a species of moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 in the family Sphingidae

Sphingidae

Sphingidae is a family of moths , commonly known as hawk moths, sphinx moths and hornworms, that includes about 1,200 species . It is best represented in the tropics but there are species in every region . They are moderate to large in size and are distinguished among moths for their rapid,...

, which is known from Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

. It was described by Eitschberger in 2000.

The wingspan is 54-62 mm for males and 54-64 mm for females. It is very similar to Callionima falcifera

Callionima falcifera

Callionima falcifera is a moth of the Sphingidae family. It is known fromMexico, Belize, Nicaragua, Costa Rica and Jamaica, south through northern South America ....

but smaller and with a paler, more uniform, less contrasting forewing and hindwing upperside pattern. The dark patch on the anal area of the hindwing upperside is brown and weakly developed.

The larvae possibly feed on Aspidosperma macrocarpa or other Apocynaceae

Apocynaceae

The Apocynaceae or dogbane family is a family of flowering plants that includes trees, shrubs, herbs, and lianas.Many species are tall trees found in tropical rainforests, and most are from the tropics and subtropics, but some grow in tropical dry, xeric environments. There are also perennial herbs...

species.